Developer Tutorials Blog: Migrating legacy PHP 4 applications to...

Courtesy PHPDeveloper.org  Thu, 07/10/2008 - 07:56

In a new post to the Developer Tutorials blog Akash Mehta takes a look at migrating PHP4 applications up to the more recent versions of PHP5.

PHP 5 supports most of the legacy syntax features of PHP 4. Most code written for PHP 4 should function fine under PHP 5, and a comprehensive test suite could check this.

However, many of the backwards-incompatible changes in PHP 5 were in regard to language quirks, and quite a few...

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